3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { $bar = array('x' => array('a' => 'x1', 'b' => 'x2'), 'y' => array('a' => 'y1', 'b' => 'y2')); public funtion test() { foreach ($bar as $b) { $b['a'] = 'hello'; } } } $foo = new Foo(); $foo->test(); var_dump($foo->bar);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0050.04012.50
5.4.300.0050.04012.51
5.4.290.0070.04012.51
5.4.280.0070.04212.40
5.4.270.0050.04312.40
5.4.260.0080.04612.40
5.4.250.0060.04012.40
5.4.240.0090.03412.40
5.4.230.0050.03912.39
5.4.220.0060.03912.39
5.4.210.0050.03612.39
5.4.200.0080.03712.39
5.4.190.0080.04012.39
5.4.180.0080.03912.39
5.4.170.0090.03812.39
5.4.160.0060.03412.39
5.4.150.0040.03612.39
5.4.140.0060.04312.08
5.4.130.0100.03712.06
5.4.120.0090.03412.03
5.4.110.0070.03512.02
5.4.100.0100.03512.02
5.4.90.0100.04212.02
5.4.80.0060.04712.02
5.4.70.0030.04612.02
5.4.60.0070.03412.02
5.4.50.0070.04812.02
5.4.40.0080.04212.01
5.4.30.0080.03912.00
5.4.20.0040.04012.00
5.4.10.0050.04012.00
5.4.00.0050.03511.49
5.3.280.0110.04012.70
5.3.270.0060.04412.72
5.3.260.0060.04512.72
5.3.250.0080.03612.72
5.3.240.0140.03712.72
5.3.230.0070.04412.71
5.3.220.0080.04412.68
5.3.210.0120.04312.68
5.3.200.0100.03712.68
5.3.190.0100.04112.68
5.3.180.0070.04612.68
5.3.170.0040.04412.67
5.3.160.0050.04212.67
5.3.150.0090.03912.67
5.3.140.0030.03912.66
5.3.130.0070.03712.66
5.3.120.0060.03812.66
5.3.110.0080.04112.66
5.3.100.0050.03812.11
5.3.90.0050.03712.10
5.3.80.0060.03512.09
5.3.70.0080.03412.09
5.3.60.0080.03412.07
5.3.50.0100.03112.02
5.3.40.0090.03312.02
5.3.30.0060.03411.98
5.3.20.0070.03911.76
5.3.10.0060.03911.73
5.3.00.0050.04311.71
5.2.170.0050.0359.21
5.2.160.0080.0279.21
5.2.150.0090.0309.21
5.2.140.0090.0339.21
5.2.130.0080.0279.17
5.2.120.0060.0339.17
5.2.110.0080.0359.17
5.2.100.0050.0309.18
5.2.90.0080.0359.18
5.2.80.0060.0329.17
5.2.70.0060.0299.17
5.2.60.0060.0299.12
5.2.50.0020.0349.10
5.2.40.0080.0269.07
5.2.30.0070.0289.05
5.2.20.0030.0309.04
5.2.10.0030.0298.94
5.2.00.0070.0388.80
5.1.60.0060.0218.09
5.1.50.0050.0238.08
5.1.40.0040.0248.06
5.1.30.0040.0278.41
5.1.20.0050.0368.43
5.1.10.0050.0268.16
5.1.00.0060.0258.16
5.0.50.0040.0226.63
5.0.40.0030.0206.49
5.0.30.0030.0446.31
5.0.20.0080.0216.28
5.0.10.0040.0226.26
5.0.00.0040.0296.25
4.4.90.0010.0174.78
4.4.80.0020.0164.75
4.4.70.0000.0174.75
4.4.60.0020.0164.76
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0040.0144.85
4.4.10.0050.0134.85
4.4.00.0040.0234.76
4.3.110.0020.0164.67
4.3.100.0050.0174.67
4.3.90.0020.0174.64
4.3.80.0050.0244.58
4.3.70.0020.0214.63
4.3.60.0020.0184.63
4.3.50.0030.0174.63
4.3.40.0060.0214.53
4.3.30.0000.0203.30
4.3.20.0030.0183.28
4.3.10.0070.0173.24
4.3.00.0100.0237.94

preferences:
138.76 ms | 1398 KiB | 7 Q